138 lines
4.3 KiB
JavaScript
138 lines
4.3 KiB
JavaScript
/*
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Copyright 2016 OpenMarket Ltd
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Copyright 2017 Vector Creations Ltd
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Copyright 2019 New Vector Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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'use strict';
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import React from 'react';
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import PropTypes from 'prop-types';
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import request from 'browser-request';
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import { _t } from '../../languageHandler';
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import sanitizeHtml from 'sanitize-html';
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import dis from '../../dispatcher';
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import {MatrixClientPeg} from '../../MatrixClientPeg';
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import classnames from 'classnames';
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import MatrixClientContext from "../../contexts/MatrixClientContext";
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import AutoHideScrollbar from "./AutoHideScrollbar";
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export default class EmbeddedPage extends React.PureComponent {
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static propTypes = {
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// URL to request embedded page content from
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url: PropTypes.string,
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// Class name prefix to apply for a given instance
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className: PropTypes.string,
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// Whether to wrap the page in a scrollbar
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scrollbar: PropTypes.bool,
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// Map of keys to replace with values, e.g {$placeholder: "value"}
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replaceMap: PropTypes.object,
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};
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static contextType = MatrixClientContext;
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constructor(props) {
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super(props);
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this._dispatcherRef = null;
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this.state = {
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page: '',
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};
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}
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translate(s) {
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// default implementation - skins may wish to extend this
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return sanitizeHtml(_t(s));
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}
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componentWillMount() {
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this._unmounted = false;
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if (!this.props.url) {
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return;
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}
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// we use request() to inline the page into the react component
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// so that it can inherit CSS and theming easily rather than mess around
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// with iframes and trying to synchronise document.stylesheets.
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request(
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{ method: "GET", url: this.props.url },
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(err, response, body) => {
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if (this._unmounted) {
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return;
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}
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if (err || response.status < 200 || response.status >= 300) {
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console.warn(`Error loading page: ${err}`);
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this.setState({ page: _t("Couldn't load page") });
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return;
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}
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body = body.replace(/_t\(['"]([\s\S]*?)['"]\)/mg, (match, g1)=>this.translate(g1));
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if (this.props.replaceMap) {
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Object.keys(this.props.replaceMap).forEach(key => {
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body = body.split(key).join(this.props.replaceMap[key]);
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});
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}
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this.setState({ page: body });
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},
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);
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this._dispatcherRef = dis.register(this.onAction);
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}
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componentWillUnmount() {
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this._unmounted = true;
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if (this._dispatcherRef !== null) dis.unregister(this._dispatcherRef);
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}
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onAction = (payload) => {
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// HACK: Workaround for the context's MatrixClient not being set up at render time.
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if (payload.action === 'client_started') {
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this.forceUpdate();
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}
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};
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render() {
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// HACK: Workaround for the context's MatrixClient not updating.
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const client = this.context || MatrixClientPeg.get();
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const isGuest = client ? client.isGuest() : true;
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const className = this.props.className;
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const classes = classnames({
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[className]: true,
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[`${className}_guest`]: isGuest,
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[`${className}_loggedIn`]: !!client,
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});
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const content = <div className={`${className}_body`}
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dangerouslySetInnerHTML={{ __html: this.state.page }}
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>
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</div>;
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if (this.props.scrollbar) {
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return <AutoHideScrollbar className={classes}>
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{content}
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</AutoHideScrollbar>;
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} else {
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return <div className={classes}>
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{content}
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</div>;
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}
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}
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}
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